1340985735600 has 240 divisors, whose sum is σ = 4947944644608. Its totient is φ = 304097310720.

The previous prime is 1340985735581. The next prime is 1340985735611. The reversal of 1340985735600 is 65375890431.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 438292 + ... + 1695308.

Almost surely, 2^{1340985735600} is an apocalyptic number.

1340985735600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340985735600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2473972322304).

1340985735600 is an abundant number, since it is smaller than the sum of its proper divisors (3606958909008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1340985735600 is a wasteful number, since it uses less digits than its factorization.

1340985735600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257172 (or 1257161 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 1340985735600 in words is "one trillion, three hundred forty billion, nine hundred eighty-five million, seven hundred thirty-five thousand, six hundred".